.navbar {
    background-color: rgba(255, 255, 255, 0.9);
    height: 70px; /* 设置导航栏的高度为70像素 */
}
.navbar-nav .nav-link {
    color: #fff; /* 设置导航栏链接文字颜色为白色 */
}
.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.2); /* 设置导航栏链接鼠标悬停时的背景色和透明度 */
}
  /* Make the image fully responsive */
.carousel-inner img {
    width: 100%;
    height: 100%;
}
body {
    position: relative;
      /*设置主体背景样式*/
  background-image: url("../img/7.jpg");
  background-repeat: no-repeat;
  background-size: cover;

}
i{
    font-family: "宋体";
}
ul.nav-pills {
    top: 20px;
    position: fixed;
}
div.col-8 div {
    height: 500px;
}

